GB752263A - Improvements in or relating to drafting heads for drafting machines - Google Patents

Improvements in or relating to drafting heads for drafting machines

Info

Publication number
GB752263A
GB752263A GB688354A GB688354A GB752263A GB 752263 A GB752263 A GB 752263A GB 688354 A GB688354 A GB 688354A GB 688354 A GB688354 A GB 688354A GB 752263 A GB752263 A GB 752263A
Authority
GB
United Kingdom
Prior art keywords
drafting
parallelogram linkage
row
figures
straight edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB688354A
Other languages
English (en)
Inventor
Kurt Rosenblatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DEK14063A priority Critical patent/DE951704C/de
Priority to FR1065899D priority patent/FR1065899A/fr
Priority to CH322664D priority patent/CH322664A/de
Application filed by Individual filed Critical Individual
Priority to GB688354A priority patent/GB752263A/en
Publication of GB752263A publication Critical patent/GB752263A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/08—Protractor heads

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)
GB688354A 1952-05-01 1954-03-09 Improvements in or relating to drafting heads for drafting machines Expired GB752263A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DEK14063A DE951704C (de) 1952-05-01 1952-05-01 Zeichenkopf fuer Zeichenmaschinen
FR1065899D FR1065899A (fr) 1954-03-09 1952-11-04 Appareil à dessiner
CH322664D CH322664A (de) 1954-03-09 1954-02-15 Zeichenkopf für Zeichenmaschinen
GB688354A GB752263A (en) 1954-03-09 1954-03-09 Improvements in or relating to drafting heads for drafting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB688354A GB752263A (en) 1954-03-09 1954-03-09 Improvements in or relating to drafting heads for drafting machines

Publications (1)

Publication Number Publication Date
GB752263A true GB752263A (en) 1956-07-11

Family

ID=9822531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB688354A Expired GB752263A (en) 1952-05-01 1954-03-09 Improvements in or relating to drafting heads for drafting machines

Country Status (3)

Country Link
CH (1) CH322664A (de)
FR (1) FR1065899A (de)
GB (1) GB752263A (de)

Also Published As

Publication number Publication date
FR1065899A (fr) 1954-05-31
CH322664A (de) 1957-06-30

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